Undersea cables form the backbone of global communication, with over 95% of global internet traffic relying on hundreds of fibre-optic cables criss-crossing the globe. But recent incidents such as disruption to cables in the Baltic Sea have highlighted concerns over their security and raised the possibility of ‘grey zone warfare’. The Inquiry examines who owns and runs this vast global network, what happens when things go wrong, and what the future holds for underseas cables. Are they powerful enough to sustain future communications, and what role could quantum technology play in their future?

Presenter: Gary O'Donoghue Producer: Dan Hardoon and Vicky Carter Researcher: Katie Morgan Production Co-ordinator: Liam Morrey Technical producer: James Bradshaw Editor: Tara McDermott Contributors: Lane Burdette, Research Analyst, TeleGeography  Jovan Kurbali, Director of the Diplo Foundation and Head of Geneva Internet Platform Erin L Murphy,  Senior Fellow, Center for Strategic and International Studies, Washington D.C. Kristine Berzina, Managing Director at the German Marshall Fund, Washington D.C.

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